Home / 7,752.38-11,631.66-2,822.36

Finding the Fourth Proportional to 7,752.38, 11,631.66 and 2,822.36

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Solution

The fourth proportional to 7,752.38, 11,631.66 and 2,822.36 is: 4,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.38 : 11,631.66 = 2,822.36 : x
  2. Step 2: Convert to fraction form
    7,752.38/11,631.66 = 2,822.36/x
  3. Step 3: Cross multiply
    7,752.38x = 11,631.66 × 2,822.36
  4. Step 4: Simplify right side
    7,752.38x = 32,828,731.92
  5. Step 5: Solve for x
    x = 32,828,731.92/7,752.38
  6. Step 6: Final answer
    x = 4,234.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.